four-flanged nail

Игры ⚽ Поможем решить контрольную работу

Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… … Wikipedia
Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… … Wikipedia
Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations … Wikipedia

Словари и энциклопедии на Академике